Protesting students in Chile are sprayed with water cannon as clashes erupt once again with police.<br/> Demonstrations in recent months by students demanding an overhaul of the education system have often turned the streets of Chilean cities into a battleground.<br/> On Wednesday the location was outside Congress in the city of Valparaiso.<br/> Protesters threw rocks and sticks at armoured vehicles as riot police fired tear gas towards demonstrators.<br/> The students argue that the education system is profit-driven and not of a high enough standard.<br/> They accuse unpopular President Sebastien Pinera - a billionaire businessman - of misspending public funds.<br/> Talks between students and the government have repeatedly failed, most recently when a hike in education spending proposed by Pinera's administration was rejected.<br/> Simon Hanna, Reuters. .
